package com.poi.demopoi.config.aspectj;

import com.alibaba.fastjson.JSON;
//import com.colourful.common.enums.HttpMethod;
//import com.colourful.common.utils.ServletUtils;
//import com.colourful.common.utils.StringUtils;
//import com.colourful.common.utils.ip.IpUtils;
//import com.colourful.framework.manager.AsyncManager;
//import com.colourful.framework.manager.factory.AsyncFactory;
//import com.colourful.framework.security.LoginUser;
//import com.colourful.framework.security.service.TokenService;
//import com.colourful.project.monitor.domain.SysOperLog;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.google.gson.Gson;
import com.poi.demopoi.common.spring.SpringUtils;
import com.poi.demopoi.config.aspectj.lang.annotation.Log;
import com.poi.demopoi.config.aspectj.lang.enums.BusinessStatus;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.Signature;
import org.aspectj.lang.annotation.*;
import org.aspectj.lang.reflect.MethodSignature;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.annotation.Profile;
import org.springframework.stereotype.Component;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.servlet.HandlerMapping;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.lang.reflect.Method;
import java.util.Map;

/**
 * 操作日志记录处理
 *
 * @author ruoyi
 */
@Aspect
@Component
@Profile({"dev", "test"})
public class LogAspect {
    private static final Logger log = LoggerFactory.getLogger(LogAspect.class);
    public final ObjectMapper mapper;

    public LogAspect(ObjectMapper mapper) {
        this.mapper = mapper;
    }

    // 配置织入点
    @Pointcut("@annotation(com.poi.demopoi.config.aspectj.lang.annotation.Log)")
    public void logPointCut() {
    }

    /**
     * 处理完请求后执行
     *
     * @param joinPoint 切点
     */
    @AfterReturning(pointcut = "logPointCut()", returning = "jsonResult")
    public void doAfterReturning(JoinPoint joinPoint, Object jsonResult) {
        handleLog(joinPoint, null, jsonResult);
    }

    /**
     * 拦截异常操作
     *
     * @param joinPoint 切点
     * @param e         异常
     */
    @AfterThrowing(value = "logPointCut()", throwing = "e")
    public void doAfterThrowing(JoinPoint joinPoint, Exception e) {
        handleLog(joinPoint, e, null);
    }

    protected void handleLog(final JoinPoint joinPoint, final Exception e, Object jsonResult) {
        try {
            // 获得注解
            Log controllerLog = getAnnotationLog(joinPoint);
            if (controllerLog == null) {
                return;
            }

//            // 获取当前的用户
//            LoginUser loginUser = SpringUtils.getBean(TokenService.class).getLoginUser(ServletUtils.getRequest());
//
//            // *========数据库日志=========*//
//            SysOperLog operLog = new SysOperLog();
//            operLog.setStatus(BusinessStatus.SUCCESS.ordinal());
//            // 请求的地址
//            String ip = IpUtils.getIpAddr(ServletUtils.getRequest());
//            operLog.setOperIp(ip);
//            // 返回参数
//            operLog.setJsonResult(JSON.toJSONString(jsonResult));
//
//            operLog.setOperUrl(ServletUtils.getRequest().getRequestURI());
//            if (loginUser != null) {
//                operLog.setOperName(loginUser.getUsername());
//            }
//
//            if (e != null) {
//                operLog.setStatus(BusinessStatus.FAIL.ordinal());
//                operLog.setErrorMsg(StringUtils.substring(e.getMessage(), 0, 2000));
//            }
//            // 设置方法名称
//            String className = joinPoint.getTarget().getClass().getName();
//            String methodName = joinPoint.getSignature().getName();
//            operLog.setMethod(className + "." + methodName + "()");
//            // 设置请求方式
//            operLog.setRequestMethod(ServletUtils.getRequest().getMethod());
//            // 处理设置注解上的参数
//            getControllerMethodDescription(joinPoint, controllerLog, operLog);
//            // 保存数据库
//            AsyncManager.me().execute(AsyncFactory.recordOper(operLog));
        } catch (Exception exp) {
            // 记录本地异常日志
            log.error("==前置通知异常==");
            log.error("异常信息:{}", exp.getMessage());
            exp.printStackTrace();
        }
    }

//    /**
//     * 获取注解中对方法的描述信息 用于Controller层注解
//     *
//     * @param log     日志
//     * @param operLog 操作日志
//     * @throws Exception
//     */
//    public void getControllerMethodDescription(JoinPoint joinPoint, Log log, SysOperLog operLog) throws Exception {
//        // 设置action动作
//        operLog.setBusinessType(log.businessType().ordinal());
//        // 设置标题
//        operLog.setTitle(log.title());
//        // 设置操作人类别
//        operLog.setOperatorType(log.operatorType().ordinal());
//        // 是否需要保存request，参数和值
//        if (log.isSaveRequestData()) {
//            // 获取参数的信息，传入到数据库中。
//            setRequestValue(joinPoint, operLog);
//        }
//    }

//    /**
//     * 获取请求的参数，放到log中
//     *
//     * @param operLog 操作日志
//     * @throws Exception 异常
//     */
//    private void setRequestValue(JoinPoint joinPoint, SysOperLog operLog) throws Exception {
//        String requestMethod = operLog.getRequestMethod();
//        if (HttpMethod.PUT.name().equals(requestMethod) || HttpMethod.POST.name().equals(requestMethod)) {
//            String params = argsArrayToString(joinPoint.getArgs());
//            operLog.setOperParam(StringUtils.substring(params, 0, 2000));
//        } else {
//            Map<?, ?> paramsMap = (Map<?, ?>) ServletUtils.getRequest().getAttribute(HandlerMapping.URI_TEMPLATE_VARIABLES_ATTRIBUTE);
//            operLog.setOperParam(StringUtils.substring(paramsMap.toString(), 0, 2000));
//        }
//    }

    /**
     * 是否存在注解，如果存在就获取
     */
    private Log getAnnotationLog(JoinPoint joinPoint) throws Exception {
        Signature signature = joinPoint.getSignature();
        MethodSignature methodSignature = (MethodSignature) signature;
        Method method = methodSignature.getMethod();

        if (method != null) {
            return method.getAnnotation(Log.class);
        }
        return null;
    }

    /**
     * 参数拼装
     */
    private String argsArrayToString(Object[] paramsArray) {
        String params = "";
        if (paramsArray != null && paramsArray.length > 0) {
            for (int i = 0; i < paramsArray.length; i++) {
                if (!isFilterObject(paramsArray[i])) {
                    Object jsonObj = JSON.toJSON(paramsArray[i]);
                    params += jsonObj.toString() + " ";
                }
            }
        }
        return params.trim();
    }

    /**
     * 判断是否需要过滤的对象。
     *
     * @param o 对象信息。
     * @return 如果是需要过滤的对象，则返回true；否则返回false。
     */
    public boolean isFilterObject(final Object o) {
        return o instanceof MultipartFile || o instanceof HttpServletRequest || o instanceof HttpServletResponse;
    }

    //以 controller 包下定义的所有请求为切入点
    //@Pointcut("execution(public * site.exception.springbootaopwebrequest.controller..*.*(..))")
//    @Pointcut("execution(* com.poi.demopoi.*.controller..*.*(..)) ")
    @Pointcut("execution(* com.poi.demopoi.controller..*.*(..)) ")
    public void webLog() {
    }


    /**
     * 在切点之前织入
     *
     * @param joinPoint
     * @throws Throwable
     */
    @Before("webLog()")
    public void doBefore(JoinPoint joinPoint) throws Throwable {
        // 开始打印请求日志
        ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
        HttpServletRequest request = attributes.getRequest();

        //https://www.jianshu.com/p/946c654f02c1
        for (Object object : joinPoint.getArgs()) {
            if (object instanceof MultipartFile
                    || object instanceof HttpServletRequest
                    || object instanceof HttpServletResponse
            ) {
                continue;
            }

            try {
                // 打印请求相关参数
                log.info("========================================== Start ==========================================");
                // 打印请求 url
                log.info("URL            : {}", request.getRequestURL().toString());
                // 打印 Http method
                log.info("HTTP Method    : {}", request.getMethod());
                // 打印调用 controller 的全路径以及执行方法
                log.info("Class Method   : {}.{}", joinPoint.getSignature().getDeclaringTypeName(), joinPoint.getSignature().getName());
                // 打印请求的 IP
                log.info("IP             : {}", request.getRemoteAddr());
                // 打印请求入参
                // log.info("Request Args   : {}", mapper.writeValueAsString(object));
                log.info("Request Args   : {}", new Gson().toJson(object));

            } catch (Exception e) {
                //记录本地异常日志
                log.error("===> doBefore() 切面日志打印异常 <===");
                log.error("切面日志打印异常信息:{}", e.getMessage());
            }
        }
    }

    /**
     * 在切点之后织入
     *
     * @throws Throwable
     */
    @After("webLog()")
    public void doAfter() throws Throwable {
        log.info("=========================================== End ===========================================");
        // 每个请求之间空一行
        log.info("");
    }

    /**
     * 环绕
     *
     * @param proceedingJoinPoint
     * @return
     * @throws Throwable
     */
    @Around("webLog()")
    public Object doAround(ProceedingJoinPoint proceedingJoinPoint) throws Throwable {
        long startTime = System.currentTimeMillis();
        Object result = proceedingJoinPoint.proceed();
        // 打印出参
        try{
//            result = proceedingJoinPoint.proceed();
            log.info("Response Args  : {}", new Gson().toJson(result));
        } catch (Exception e) {
            //记录本地异常日志
            log.error("===> doAround() 切面日志打印异常 <===");
            log.error("切面日志打印异常信息:{}", e.getMessage());
        }finally {
            // 执行耗时
            log.info("Time-Consuming : {} ms", System.currentTimeMillis() - startTime);
        }
        return result;
    }


}
